<nav class="navbar navbar-default">
    <div class="container">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="{{ url_for('admin.index') }}">Pyblog</a>
        </div>
        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            {% if current_user.is_admin() %}
            <ul class="nav navbar-nav">
                <li><a href="{{ url_for('admin.user_settings') }}">用户管理</a></li>
            </ul>
            {% endif %}
            <ul class="nav navbar-nav navbar-right">
                <li><a href="{{ url_for('main.index') }}">博客主页</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> {{ current_user.username }} <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="{{ url_for('admin.write') }}">写文章</a></li>
                        <li><a href="{{ url_for('admin.article_settings') }}">文章管理</a></li>
                        <li><a href="{{ url_for('admin.password') }}">修改密码</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="{{ url_for('admin.logout') }}">退出</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>